Underframing for cars.



. C. J. NASH.

UNDERFRAMING FOR CARS. y APPLICATION FILED ocr. Ia. I9I.

L'g?. Patentemug. 6, 191s.

lllll. will;

Patented Aug. 6, 1918.

' 2 SHEETS-SHEET 2.

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.In #en 5W.'

. ,eitizenfefthe United' States fesidfngfat -Qhcagoyinffthe county koflof zllino's, havel'nyented useful Improvements; {Underframingsy for ofwhich the ollQwingjis'specifica-- 4 Y i N u f f lower be'lstelmember@anrupperfland kaflower-plateanddraft a @nametone sides ofthebolsr,therebemg 1present,:also vsub-sills baclreofthe bolster.g

Cook e and State ltant new' 'and f for reinforcing thesills andyextending '.Eheohj ect of; ,the invention is to reinforce .thebolsterAland; provide in Suchel reinforceg ,through the bolster, tothe Sub-Sins.

.Preferred .embodiments of the invention Tarefhereinafter ,describedandV illustrated vin i' Y thereinforcingv elements shown,` in.-a11d`5,respectively. Y 35 Athe. ,aceompanying drawings,3 in whicln....fEigure 11s afdetaillcentral-verticalfsectron to Fig. 1, sh

n modifications; and; Figsn andsigearefviews lIALPGlTSPSGtWe., of

. One of a pair of center sillsisrepresented atL'k .Theupper platefofthe bolster is shown` at 11, and its lowerplate at 12. Be-y 7 twee'nthetwo members of the Vbolster there i is located'the usual illerblock 13apertured for thereception of a kingrpin', which passes through theplates: ofv thel kbolster and through a filler. block 14 above the same.

` vThe draft arm 15 arches over the bolster,

i bolster. The sub-sill 19 is located below the sill 10 back of thebolster, andis secured 1n yplace by the bolts 17; Thev forward `end' ofthis sub-sill lis in Yline with the rear V"face ofthe bolster.` Y ;.Y 1y ksp:ratificatientf Letters-raten? illeetepiplate 20` beeringaganst@herleven fw; Oi the. belstr merileerlla bottom plete 'f 'i il freeride@vpreferably joined, as rshown",I Vwith the top,

lower Vcorners l of the reinforcing' members *ereqlusv 25,15W1

.detail sections".v similar Ate;tettiet.;eiii-niels seem 'are eN-assertfeiertage- ".MTAQHeeNTG-e GQRPQRATIQN'@Memole lifibearing ,againstppjerfa'ce.; of the drafteimfideevfafward endfofrhebf- 9. Thisreinforcing,Yelementfis; also `with transverse ,vertical web 2,4,

bottom and side walls. yifDep'endinzgj fromlth'e bolster bypatwistinglaction. v Y Y In the form ofconstructionillustratedfin Figsfland 6,the parts are,vgenerallyl speaking, of the sameconstruction. `Thereinforcing member, generally designated by the nuf meral 27, is howeversomewhat kwider than Y the platesll, 12 of the bolster, and' its topand' bottom plates 28, 29 are recessedin theirv upperand lower faces,respectively,- tofrefr ceive these bolster members. The dependingportion 30 of the forward portion ofthe draft arm 15 is' correspondinglyyshortened inorder that it may abutiagainst the reinforcing member27,Ias is also the sub-sill 31;` Theaction is the same as in the .con-

f 4 struction illustrated in Fig. 1 exceptthat the 11H0Y n 6,1918:applicati@ aieribctoper 18,1517 'lseriainmiezzia'f f iand:stressftransmitting '1: i

lower ,platesofnthegbolster below .theg draftv Y v, lend.,S-WallSfQQs'^*2,35 which. been respectively, ,Heemstthe `vinner endofthe dependingportiongl'of the k `Seb/i1.'iirg'i therein `rcirfgfw ifberinplacfhinds;theftwdinembersof .stresses ,135`

rgto thefbuihngsill'tlQQThese stressesware K' `1n .part communicated tothe lowerrbolster.

member-l2by the lug 25and through Vthis member to the lug26, andlthencethrough tliexreinforcing member to the'sub-'sill '19,] f Y4,The.(lepending lugs.r 25, 26 overcome'the 1 i tendency of the bufngstresseskto rdistortthe f j buiiing stresses are in part transmitteddirectly touand through the upper plate 11 of the bolster. Y .Y In theconstruction illustrated in"Figs.""5 and 7 the reinforcing member,generally designated by the numeral 32, is shown as having its upperplate 33 bearing against .the lower face of the upper bolster member 11and being transversely rabbeted adjacent the side members 34, 35 to fitAwithinand between shoulders 36, -37 forinedinthe lower 'face'of theoverarching portion' of the draft arm, between which shoulders valsointerfits the bolster member 11. In other respects the reinforcingmember 32 is the same in form as the reinforcing member 27 ofFi'gs. tand 6. In Vthe constructionVof Figs.v 'anfd 7 the builing stresses areiny part transmitted to and through the upper bolster member and thetopplate Iof the reinforcing element. ile preferred 'and practicalV forms4'of the invention lare disclosed, various other changes of detail'maybe made withoitdeparting from its scope.

` I claimY as my invention:

'1.vIn an underframinjg forcars,fin"com bination, a bolster having upperand flower plates, a 'draft arm arching over the bolster and having adepending portion forward of the bolster and a reinforcing 'elementinterfitting between the bolster plates' and bearing Vagainst thedepending portion of the draft arm. n v

2. In an underframing for cars, in combination, abolster having upperjand'lower plates, a draft armv arching over the bolster `and having a`depending Vportion .forward "of theV bolster, a f reinforcing element.intertti'ng 4between the bolster plates and .b'earing against 'the y"lependingportionf the Lai/4,747

draft arm, and a sub-sill abutting against the rear faceofthereinforcing element.

A '3. lIn an nnderfr'aming'for cars, "in combination, 'ai bolster havingupper and lower plates, ak draft arm arching over the bolster and'having a dependingportion forward ofthe bolster, and a reinorcingelement interlitting between the bolster plates land having`depending lings embracing the lower plate, such element bearing againstthe depending portion of tlie 'draft arm.l

t. In an underframing for cars, in lcombinationya bolster having upperand lower plates, a draft arm arching over thelfbolster and having adepending portion `forward of the bolster,` a reinforcing elementinterfitting between the bolster plates andV having depending lugsembracing the lower plate, su'ch element bear-ing against the dependingportion ofthe draft arm, and a subsill abut ting' against the rear faceof the reinforcing element.

5'. In a-n :underframing for lcars, in lcombination, a bolster havingupper and lower plates, a reinforcingelement interitting -between suchplates'and extending forward and' backward thereof, and adraft armarching lover the bolster and; having transverse shouldersV between'Awhich the reinforcingv element interfits.

6; In `an underframi-ng' for cars, in -combination, a lbolster havingupper and lower plates, 'a reinforcing element'interttingbetween suchplates land extend-ing lforward and backward thereof and beingtransversely 7 i recessed to"l receive the upper bolsterfplate, and adraft-arrin arching `over 'thebols'ter A74and having transverseshoiilders "between which the reinforcing element finter'fits;

E(EI-IARIJES ASH.

Copies 'of this 'patent 'be' obtained 'frive 4cents jeach, yaddressingthe "Gommssinner 'f-iEatents,

` Washington, I).y C.

